The Definitive Injector Swap HOW TO - Page 41 - JeepForum.com

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post #601 of 675 Old 01-22-2014, 01:19 AM
Billyjoebob007
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1997 ZJ 
 
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Quote:
Originally Posted by StPaul59 View Post
Anyone know which ones these are? Just says Bosch 4 hole... And they come with adapters. The guy has really good feedback, so maybe they are legit.


http://www.ebay.com/itm/96-97-98-Jee...901850&vxp=mtr
I think those are the 703"s ? For some reason they dont look right to me, i dunno. BUt i bought this set for me JeeP and they work great with sooper performance. I lost 1 mpg though with this set, maybe i got a heaver bit more lead in me boot

http://www.ebay.com/itm/5-2L-5-9L-V8...e1dd30&vxp=mtr

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post #602 of 675 Old 01-22-2014, 08:32 AM
zjosh93
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They aren't the 703s. The 703s have the older Jetronic/Minitimer connector; the ones in the link have the USCAR connector. The 703s are also black.

I just switched my 703s out for 715s. Paid $18 for all six at the local yard and cleaned them on my home made rig.
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post #603 of 675 Old 01-24-2014, 10:58 PM
Brendan4862
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They look like 789's. But ask the ebay seller.

There is no substitute for a Jeep
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post #604 of 675 Old 01-24-2014, 11:03 PM
PolkaPower
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Quote:
Originally Posted by Brendan4862 View Post
They look like 789's. But ask the ebay seller.
Green are 789. I have those in my 5.9. They should come with an adapter harness or you can buy your own.
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post #605 of 675 Old 01-28-2014, 01:43 AM
OnAll4sZJ
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Where did you get the 789s? Or did I miss that post?
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post #606 of 675 Old 01-28-2014, 08:07 AM
PolkaPower
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Quote:
Originally Posted by OnAll4sZJ View Post
Where did you get the 789s? Or did I miss that post?
Ebay
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post #607 of 675 Old 03-12-2014, 02:54 PM
bumperthumper
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i know this is a bump, and im not gonna read through 40 pages to see if anyones tried it and it just hasnt been updated, but i just tried 715s from a 05 crown vic PI in my 95 4.0, and it ran like ***. wayy too rich. im 99% sure they dont leak, because theyre brand new.
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post #608 of 675 Old 03-12-2014, 03:03 PM
ejschultz
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Sometimes the injectors, regardless of engine and type of injector, are hit or miss for people.

01 TJ - 4.0L, NV3550, 2" Skyjacker budget boost, Trail Gear front bumper, 31" Duratracs on 15x8s
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post #609 of 675 Old 03-12-2014, 09:56 PM Thread Starter
zander21510
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Quote:
Originally Posted by bumperthumper View Post
i know this is a bump, and im not gonna read through 40 pages to see if anyones tried it and it just hasnt been updated, but i just tried 715s from a 05 crown vic PI in my 95 4.0, and it ran like ***. wayy too rich. im 99% sure they dont leak, because theyre brand new.
That makes sense...715s flow way higher than 703s. I would return them/sell them for some 703s
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post #610 of 675 Old 03-13-2014, 06:04 PM
bumperthumper
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Quote:
Originally Posted by zander21510 View Post
That makes sense...715s flow way higher than 703s. I would return them/sell them for some 703s
luckily theyre replacements for my friends CVPI. so im not out anything lol
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post #611 of 675 Old 03-18-2014, 05:02 PM
sixty4bitdiablo
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I have a 96 ZJ 4.0 and swapped from the 778 to the 710 injectors. I am having a problem with getting a good seal between the fuel injectors and the fuel rail. the first time I did it, it seemed to work fine but after about 1000 miles they started leaking. what happened was the o rings are getting pinched because the injectors and fuel rail are meeting at a strange angle. any tips or work arounds for this so it doesn't happen again next time?
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post #612 of 675 Old 03-19-2014, 12:48 PM
Lycaon1349
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im successfully running 715's in a 1998 5.9 ZJ
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post #613 of 675 Old 03-31-2014, 10:39 PM
hm_dart
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703 x 789

First of all, thanks for this great thread. I got hooked reading till the end.
Now I want to do the injectors upgrade in my 98 ZJ 5.9. I have headers, hiflow cat, k&n cai, accel coil, cables and plugs, mopar rotor and cap, msd 6a box. No major work, just add on for the 155k miles engine.
I already did some contacts with few ebay sellers and I have a deal on hand for even 703 or 789+Adaptors. But I have a doubt: should I go 703 or 789??
So, which one I should have a better compatibility , mileage and performace??
Little lost here!
Thanks
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post #614 of 675 Old 04-10-2014, 06:52 PM
DickDickle
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I am successfully running the 703's in my 96 4.0 zj I noticed smoother acceleration better throttle response and slightly better fuel economy
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post #615 of 675 Old 04-23-2014, 12:36 PM Thread Starter
zander21510
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You all might have noticed I redid the original post so that it's a little better organized and easier to understand, and removing some useless information. Hope you all like it!
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703 , 715 , ford , fuel injector , neon , swap

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